Nonprofits in Maryland

Nonprofits in Maryland. Browse 47,413 public nonprofit profiles. Review organization identities, available filing years, and their complete CharitySense profiles.

Location refers to headquarters recorded in public sources, not an organization’s service area. Classification describes its reported category and does not assess its effectiveness.

Nonprofit profiles

  1. Southern Garrett Bass Slayers Inc

    EIN 812750510 · Headquarters: Oakland, MD, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  2. Southern Garrett County Rescue Squad Inc

    EIN 237270168 · Headquarters: OAKLAND, MD, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  3. Southern Garrett Gridiron Inc

    EIN 334710587 · Headquarters: OAKLAND, MD, USA · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  4. Southern Garrett High School Alumni Association Inc

    EIN 522169478 · Headquarters: OAKLAND, MD, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  5. Southern Harford County Rotary Club

    EIN 262033581 · Headquarters: Abingdon, MD, US · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  6. Southern Harford County Rotary Foundation Inc

    EIN 842435761 · Headquarters: Bel Air, MD, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  7. Southern High School Music Booster Association Inc

    EIN 521956894 · Headquarters: Harwood, MD, US · Education · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  8. Southern High School Parent Teacher Student Organization

    EIN 260770832 · Headquarters: Harwood, MD, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  9. Southern Illinois Unversity Student Chapter

    EIN 521279020 · Headquarters: Bethesda, MD, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  10. Southern Junior Bassmasters 4-H Club

    EIN 451793233 · Headquarters: La Plata, MD, US · Unknown & Unclassified · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  11. Southern Knights Rod & Custom Inc

    EIN 363723611 · Headquarters: Mechanicsville, MD, US · Recreation & Sports · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  12. Southern Maryland Active Recreation and Transport Alliance Inc

    EIN 931517197 · Headquarters: Greenbelt, MD, US · Public & Societal Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  13. Southern Maryland Adult Hockey Club

    EIN 873701721 · Headquarters: Waldorf, MD, USA · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  14. Southern Maryland Amateur Radio Club

    EIN 521471073 · Headquarters: Cheltenham, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  15. Southern Maryland Applied Research and Technology Consortium Inc

    EIN 521807995 · Headquarters: Mechanicsville, MD, US · Science & Technology · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  16. Southern Maryland Archery Club Inc

    EIN 521885102 · Headquarters: Upper Marlboro, MD, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  17. Southern Maryland Association of Realtors Inc

    EIN 237371544 · Headquarters: HUGHESVILLE, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  18. Southern Maryland Astronomical Society

    EIN 521905121 · Headquarters: MARBURY, MD, US · Science & Technology · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  19. Southern Maryland Athletic Alliance

    EIN 842506584 · Headquarters: LA PLATA, MD, USA · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990

  20. Southern Maryland Audubon Society

    EIN 521130827 · Headquarters: Bryans Road, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  21. Southern Maryland Battle Buddies Inc

    EIN 461278806 · Headquarters: Port Republic, MD, US · Human Services · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  22. Southern Maryland Black Chamber of Commerce

    EIN 455183626 · Headquarters: Chesapeake Beach, MD, US · Community Improvement & Capacity Building · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  23. Southern Maryland Bmx

    EIN 030490559 · Headquarters: CHAPTICO, MD, USA · Recreation & Sports · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ

  24. Southern Maryland Boot Scooters

    EIN 371606484 · Headquarters: Mechanicsville, MD, USA · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  25. Southern Maryland Braves Baseball & Softball Association Inc

    EIN 452825941 · Headquarters: MECHANICSVILLE, MD, US · Recreation & Sports · Latest available filing year: 2012 · Primary form: IRS Form 990-N

  26. Southern Maryland Carousel Group Inc

    EIN 300281852 · Headquarters: La Plata, MD, US · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  27. Southern Maryland Center for Family Advocacy Inc

    EIN 521190915 · Headquarters: HOLLYWOOD, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  28. Southern Maryland Center for Independent Living Inc

    EIN 522253244 · Headquarters: MECHANICSVILLE, MD, USA · Human Services · Latest available filing year: 2023 · Primary form: IRS Form 990

  29. Southern Maryland Chapter Maryland Society of Professional Engineers

    EIN 463257173 · Headquarters: Lexington Park, MD, US · Unknown & Unclassified · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  30. Southern Maryland Chapter of Izaak Walton League Inc

    EIN 526113904 · Headquarters: WALDORF, MD, USA · Environment · Latest available filing year: 2013 · Primary form: IRS Form 990

  31. Southern Maryland Christian Academy Inc

    EIN 521405200 · Headquarters: WHITE PLAINS, MD, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990

  32. Southern Maryland Civil War Round Table

    EIN 463163328 · Headquarters: Lexington Park, MD, USA · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  33. Southern Maryland College Access Network Inc

    EIN 113776089 · Headquarters: Sunderland, MD, USA · Education · Latest available filing year: 2014 · Primary form: IRS Form 990-EZ

  34. Southern Maryland Community Advocates

    EIN 812275387 · Headquarters: Waldorf, MD, US · Public & Societal Benefit · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  35. Southern Maryland Community Network Inc

    EIN 521241267 · Headquarters: PRINCE FREDERICK, MD, USA · Mental Health & Crisis Intervention · Latest available filing year: 2022 · Primary form: IRS Form 990

  36. Southern Maryland Community Resources Inc

    EIN 463361930 · Headquarters: SOLOMONS, MD, USA · Mental Health & Crisis Intervention · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  37. Southern Maryland Concert Band Inc

    EIN 521414545 · Headquarters: Leonardtown, MD, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  38. Southern Maryland Corvette Club

    EIN 522344938 · Headquarters: LUSBY, MD, US · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  39. Southern Maryland Crew of the Iomc

    EIN 813547964 · Headquarters: Essex, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  40. Southern Maryland Dental Society Inc

    EIN 520966655 · Headquarters: COLLEGE PARK, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  41. Southern Maryland Dirt Riders Club Inc

    EIN 521545584 · Headquarters: Port Tobacco, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  42. Southern Maryland Disc Golf Association Inc

    EIN 472297738 · Headquarters: White Plains, MD, USA · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  43. Southern Maryland Divas Inc

    EIN 412580216 · Headquarters: Waldorf, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  44. Southern Maryland Eclipse Basketball Teams Inc

    EIN 562493079 · Headquarters: Indian Head, MD, US · Recreation & Sports · Latest available filing year: 2007 · Primary form: IRS Form 990-N

  45. Southern Maryland Elec Cooperative Inc Workers Compensation Plan

    EIN 521309853 · Headquarters: HUGHESVILLE, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  46. Southern Maryland Electric Cooperative

    EIN 520492367 · Headquarters: Hughesville, MD, US · Public & Societal Benefit · Latest available filing year: 2024 · Primary form: IRS Form 990

  47. Southern Maryland Eliminators Inc

    EIN 822903719 · Headquarters: TALL TIMBERS, MD, USA · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  48. Southern Maryland Emmaus

    EIN 522237438 · Headquarters: White Plains, MD, US · Education · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  49. Southern Maryland Equine Council

    EIN 462229474 · Headquarters: PRINCE FREDERICK, MD, US · Animal Related · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  50. Southern Maryland Equine Miracles Ltd

    EIN 825500149 · Headquarters: MECHANICSVILLE, MD, US · Animal Related · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  51. Southern Maryland Fast Pitch Organization

    EIN 202347170 · Headquarters: SAINT INIGOES, MD, USA · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  52. Southern Maryland Fc Inc

    EIN 392252660 · Headquarters: Waldorf, MD, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  53. Southern Maryland Flyers Basketball

    EIN 364707429 · Headquarters: Waldorf, MD, US · Recreation & Sports · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  54. Southern Maryland Fools

    EIN 852806944 · Headquarters: Newburg, MD, US · Public & Societal Benefit · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  55. Southern Maryland Gladiators Semi-pro Football Organization Inc

    EIN 475461687 · Headquarters: Waldorf, MD, US · Unknown & Unclassified · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  56. Southern Maryland Gladiators Sports Organization

    EIN 472747942 · Headquarters: Waldorf, MD, US · Recreation & Sports · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  57. Southern Maryland Gospel Ministries Inc

    EIN 522251892 · Headquarters: California, MD, US · Religion Related · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  58. Southern Maryland Guinea Pig Rescue Inc

    EIN 923540956 · Headquarters: Hughesville, MD, US · Animal Related · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  59. Southern Maryland H E a T Athletic Program Incorporated

    EIN 264525883 · Headquarters: Waldorf, MD, US · Youth Development · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  60. Southern Maryland Hawks Youth Assoc Iation Inc

    EIN 200568843 · Headquarters: BRYANS ROAD, MD, USA · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  61. Southern Maryland Higher Education Center Foundation

    EIN 521916697 · Headquarters: California, MD, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  62. Southern Maryland Homeschool Community

    EIN 813429468 · Headquarters: Lusby, MD, US · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  63. Southern Maryland Horsemanship Services Inc

    EIN 871540979 · Headquarters: Newburg, MD, US · Recreation & Sports · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  64. Southern Maryland Hustle Inc

    EIN 822594544 · Headquarters: Mechanicsville, MD, USA · Recreation & Sports · Latest available filing year: 2019 · Primary form: IRS Form 990-EZ

  65. Southern Maryland Interest Group

    EIN 413012583 · Headquarters: Bryans Road, MD, US · Youth Development · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  66. Southern Maryland Intergroup Association Incorporated

    EIN 861107324 · Headquarters: Charlotte Hall, MD, US · Human Services · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  67. Southern Maryland Invitational Livestock Expo

    EIN 205130477 · Headquarters: PRINCE FREDERICK, MD, USA · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990

  68. Southern Maryland Islamic Center Inc

    EIN 521203957 · Headquarters: HUGHESVILLE, MD, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  69. Southern Maryland Junior Golf Association

    EIN 461020255 · Headquarters: BURTONSVILLE, MD, US · Recreation & Sports · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  70. Southern Maryland K9 Search and Recovery

    EIN 393773230 · Headquarters: Lexington Park, MD, US · Public Safety, Disaster Preparedness & Relief · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  71. Southern Maryland Knockouts Softball Club Inc

    EIN 383891735 · Headquarters: Bryantown, MD, US · Unknown & Unclassified · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  72. Southern Maryland Lacrosse Association Inc

    EIN 834467314 · Headquarters: La Plata, MD, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  73. Southern Maryland Minority Chamber of Commerce Foundation Inc

    EIN 813078451 · Headquarters: Chesapeake Beach, MD, US · Community Improvement & Capacity Building · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  74. Southern Maryland Mission of Mercy Inc

    EIN 472478264 · Headquarters: HOLLYWOOD, MD, US · Health Care · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  75. Southern Maryland Modern Dance Collective Inc

    EIN 522190204 · Headquarters: Hollywood, MD, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  76. Southern Maryland Nationals Inc

    EIN 271856213 · Headquarters: Owings, MD, USA · Recreation & Sports · Latest available filing year: 2013 · Primary form: IRS Form 990-EZ

  77. Southern Maryland Navy Alliance Inc

    EIN 521767643 · Headquarters: HOLLYWOOD, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  78. Southern Maryland Oyster Cultivation Society

    EIN 412238504 · Headquarters: Lusby, MD, US · Environment · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  79. Southern Maryland Prb Community Assistance Fund Inc

    EIN 205203526 · Headquarters: Hollywood, MD, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2008 · Primary form: IRS Form 990-N

  80. Southern Maryland Pumas Inc

    EIN 851541168 · Headquarters: Waldorf, MD, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  81. Southern Maryland Quarter Horse Association

    EIN 521384777 · Headquarters: Nanjemoy, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  82. Southern Maryland Rc&d Board Inc

    EIN 521217054 · Headquarters: LEONARDTOWN, MD, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  83. Southern Maryland Recreational Fishing Organization

    EIN 824371629 · Headquarters: Tall Timbers, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  84. Southern Maryland Regional Library Association Inc

    EIN 521889943 · Headquarters: CHARLOTTE HALL, MD, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990

  85. Southern Maryland Roller Derby Inc

    EIN 454361451 · Headquarters: WALDORF, MD, US · Recreation & Sports · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  86. Southern Maryland Roundup Incorporated

    EIN 452861195 · Headquarters: Crofton, MD, US · Mental Health & Crisis Intervention · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  87. Southern Maryland Rowing Association Incorporated

    EIN 815254723 · Headquarters: Great Mills, MD, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  88. Southern Maryland Rugby Football Association

    EIN 200634580 · Headquarters: LEONARDTOWN, MD, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  89. Southern Maryland Sailing Association Inc

    EIN 521435822 · Headquarters: SOLOMONS, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  90. Southern Maryland Sailing Foundation Inc

    EIN 311673295 · Headquarters: Saint Marys City, MD, USA · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  91. Southern Maryland Shellfish Growers Association Inc

    EIN 462294091 · Headquarters: Great Mills, MD, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  92. Southern Maryland Soccer League Inc

    EIN 821753567 · Headquarters: Prince Frederick, MD, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  93. Southern Maryland Spay and Neuter Inc

    EIN 760749977 · Headquarters: Port Republic, MD, USA · Animal Related · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  94. Southern Maryland Sportplex & Learning Center Inc

    EIN 270932860 · Headquarters: WALDORF, MD, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  95. Southern Maryland Storm

    EIN 208441145 · Headquarters: Prince Frederick, MD, US · Recreation & Sports · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  96. Southern Maryland Swim League

    EIN 522170523 · Headquarters: California, MD, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  97. Southern Maryland Traditional Music and Dance Inc

    EIN 521556721 · Headquarters: LEONARDTOWN, MD, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  98. Southern Maryland Tri-County Community Action Committee Inc

    EIN 526066477 · Headquarters: Hughesville, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  99. Southern Maryland Valkyries Girls Rugby Football Club

    EIN 824951326 · Headquarters: Edgewater, MD, US · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  100. Southern Maryland Vocational Industries Inc

    EIN 521374531 · Headquarters: BRANDYWINE, MD, USA · Employment · Latest available filing year: 2024 · Primary form: IRS Form 990

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